San Jacinto Weather in 2021

Historical record of San Jacinto, California weather for the year 2021 based on NOAA data.
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Year:
2021 San Jacinto Weather Extremes
Highest temperature 108 °F August 4
Lowest temperature 32 °F December 16
Highest daily low 75 °F August 11
Lowest daily high 47 °F January 25
Most daily precipitation 1.7 inches December 24
Total annual precipitation 9.3 inches -
Highest Temperatures in San Jacinto in 2021
Rank Temperature Date
1 108 °F Aug 4
1 108 °F Jun 27
3 107 °F Jun 28
3 107 °F Jun 16
3 107 °F Jun 15
6 106 °F Aug 28
6 106 °F Aug 27
6 106 °F Aug 3
9 105 °F Sep 5
9 105 °F Aug 29
9 105 °F Aug 5
9 105 °F Jul 8
9 105 °F Jun 17
Lowest Temperatures in San Jacinto in 2021
Rank Temperature Date
1 32 °F December 16
2 33 °F December 20
2 33 °F December 18
4 34 °F December 12
4 34 °F December 11
4 34 °F January 30
7 35 °F December 19
7 35 °F December 15
7 35 °F March 16
7 35 °F February 21
7 35 °F January 26
January 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
66 36 0.00
64 39 0.00
64 38 0.00
67 38 0.00
74 37 0.00
74 40 0.00
74 40 0.00
72 41 0.00
71 36 0.00
69 38 0.00
71 39 0.00
71 37 0.00
76 40 0.00
85 43 0.00
87 56 0.00
87 47 0.00
83 48 0.00
79 44 0.00
62 45 0.00
67 51 0.00
69 45 0.00
62 42 0.00
51 40 0.47
53 41 0.18
47 36 0.65
52 35 0.00
58 36 0.00
63 38 0.00
50 42 0.80
62 34 0.00
69 37 0.00
February 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
67 52 0.00
75 54 0.00
71 45 0.00
67 40 0.00
73 39 0.00
77 40 0.00
74 42 0.00
69 41 0.00
59 42 0.00
63 48 0.00
72 40 0.00
64 47 0.11
58 42 0.00
62 43 0.00
60 41 0.00
63 47 0.00
63 38 0.00
65 36 0.00
73 38 0.00
66 40 0.00
71 35 0.00
78 39 0.00
80 42 0.00
76 43 0.00
68 40 0.00
76 37 0.00
70 37 0.00
66 38 0.00
March 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
71 37 0.00
77 40 0.00
58 37 0.22
67 43 0.00
80 40 0.00
72 44 0.00
66 44 0.00
64 51 0.00
60 46 0.00
53 42 0.26
54 40 0.62
55 36 0.18
58 40 0.00
60 46 0.00
52 42 0.06
59 35 0.05
69 36 0.00
74 41 0.00
75 44 0.00
66 51 0.00
67 40 0.00
69 40 0.00
65 49 0.00
69 39 0.00
57 44 0.00
68 45 0.00
77 40 0.00
85 44 0.00
84 49 0.00
82 45 0.00
82 50 0.00
April 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
85 51 0.00
84 48 0.00
85 47 0.00
87 48 0.00
80 48 0.00
78 49 0.00
84 49 0.00
81 50 0.00
84 48 0.00
84 50 0.00
80 50 0.00
75 52 0.00
64 52 0.00
65 50 0.00
72 46 0.00
77 45 0.00
81 46 0.00
83 52 0.00
88 48 0.00
80 49 0.00
64 52 0.00
63 52 0.00
71 53 0.00
74 52 0.00
71 53 0.00
61 50 0.05
64 48 0.07
85 43 0.00
95 49 0.00
97 57 0.00
May 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
87 56 0.00
69 53 0.00
85 54 0.00
92 52 0.00
95 55 0.00
87 55 0.00
81 54 0.00
82 54 0.00
80 53 0.00
78 55 0.00
86 51 0.00
88 53 0.00
85 55 0.00
83 53 0.00
74 55 0.00
63 53 0.00
70 54 0.00
81 57 0.00
81 53 0.00
71 55 0.00
67 51 0.00
70 46 0.00
78 46 0.00
93 52 0.00
91 58 0.00
85 60 0.00
83 53 0.00
87 54 0.00
81 54 0.00
86 55 0.00
93 55 0.00
June 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
97 58 0.00
97 60 0.00
95 57 0.00
90 58 0.00
89 58 0.00
82 53 0.00
71 56 0.00
79 55 0.00
83 55 0.00
83 50 0.00
90 54 0.00
97 56 0.00
99 58 0.00
103 62 0.00
107 67 0.00
107 71 0.00
105 68 0.00
99 73 0.00
100 67 0.00
97 66 0.00
97 63 0.00
94 62 0.00
88 66 0.02
91 62 0.00
91 58 0.00
98 61 0.00
108 68 0.00
107 67 0.00
93 67 0.00
100 65 0.00
July 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
101 65 0.00
101 65 0.00
100 70 0.00
96 65 0.00
98 64 0.00
99 64 0.00
102 66 0.00
105 69 0.00
102 72 0.00
100 72 0.00
98 68 0.00
100 69 0.00
100 69 0.00
96 71 0.00
96 69 0.00
97 64 0.00
99 66 0.00
101 74 0.00
99 70 0.00
99 69 0.00
101 74 0.00
98 72 0.00
97 68 0.00
94 67 0.00
94 66 0.00
92 68 0.25
100 67 0.00
99 69 0.00
101 68 0.00
101 68 0.00
101 71 0.00
August 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
100 67 0.00
103 67 0.00
106 68 0.00
108 68 0.00
105 70 0.00
98 66 0.00
96 61 0.00
98 63 0.00
98 64 0.00
102 68 0.00
97 75 0.00
99 68 0.00
95 67 0.00
96 67 0.00
102 69 0.00
99 71 0.00
89 71 0.00
78 64 0.00
86 67 0.00
88 60 0.00
81 64 0.00
84 64 0.00
89 61 0.00
94 59 0.00
101 64 0.00
103 69 0.00
106 67 0.00
106 67 0.00
105 69 0.00
97 71 0.00
89 66 0.00
September 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
81 63 0.00
89 62 0.00
96 59 0.00
98 63 0.00
105 67 0.00
99 66 0.00
98 67 0.00
99 67 0.00
101 72 0.00
100 73 0.00
100 69 0.00
100 68 0.00
102 65 0.00
95 61 0.00
94 57 0.00
90 54 0.00
86 56 0.00
89 60 0.00
88 54 0.00
96 56 0.00
101 61 0.00
99 66 0.00
93 68 0.00
92 62 0.00
90 63 0.00
81 62 0.00
75 61 0.00
76 60 0.00
82 60 0.00
90 52 0.00
October 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
93 54 0.00
94 56 0.00
95 59 0.00
93 62 0.00
81 60 0.18
75 57 0.00
69 61 0.03
67 59 0.26
73 55 0.00
83 49 0.00
68 49 0.00
69 44 0.00
75 42 0.00
81 45 0.00
84 50 0.00
88 47 0.00
80 50 0.00
65 51 0.00
74 42 0.00
81 44 0.00
87 47 0.00
80 49 0.00
69 49 0.00
73 54 0.00
63 52 0.05
69 49 0.25
87 46 0.00
91 54 0.00
89 55 0.00
82 52 0.00
75 51 0.00
November 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
70 50 0.00
77 49 0.00
88 49 0.00
87 52 0.00
89 52 0.00
83 50 0.00
79 46 0.00
74 45 0.00
73 46 0.00
82 46 0.00
88 49 0.00
90 56 0.00
91 51 0.00
91 51 0.00
87 51 0.00
77 51 0.00
77 47 0.00
80 44 0.00
78 47 0.00
76 43 0.00
79 52 0.00
82 49 0.00
76 51 0.00
73 42 0.00
71 46 0.00
79 37 0.00
81 41 0.00
85 44 0.00
85 47 0.00
86 47 0.00
December 2021 San Jacinto Weather
Day High (°F) Low (°F) Precip. (inches)
86 48 0.00
82 47 0.00
76 43 0.00
73 41 0.00
78 39 0.00
78 42 0.00
58 48 0.00
67 41 0.00
56 49 0.04
56 40 0.00
64 34 0.00
66 34 0.00
57 37 0.00
55 43 0.73
54 35 0.03
55 32 0.00
65 37 0.00
70 33 0.00
69 35 0.00
71 33 0.00
69 47 0.00
69 42 0.00
56 49 0.40
58 49 1.65
56 43 0.69
54 46 0.30
50 38 0.30
49 42 0.20
53 43 0.05
60 45 0.10
59 43 0.02
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location